Home / 87,136.20-130,747.54-34,544.52

Finding the Fourth Proportional to 87,136.20, 130,747.54 and 34,544.52

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Solution

The fourth proportional to 87,136.20, 130,747.54 and 34,544.52 is: 51,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,136.20 : 130,747.54 = 34,544.52 : x
  2. Step 2: Convert to fraction form
    87,136.20/130,747.54 = 34,544.52/x
  3. Step 3: Cross multiply
    87,136.20x = 130,747.54 × 34,544.52
  4. Step 4: Simplify right side
    87,136.20x = 4,516,611,010.48
  5. Step 5: Solve for x
    x = 4,516,611,010.48/87,136.20
  6. Step 6: Final answer
    x = 51,833.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.